Slender membranehead
📖 Overview
Slender membranehead (Hymenogadus gracilis), first described by Gilbert & Hubbs, 1920 is a medium-sized fish in the family Macrouridae (order Gadiformes). Adults typically reach 39.60 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 300 to 618 metres. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.
🔬 Taxonomy
🐟 Physical Description
This species is distinguished by the following set of characters: spinous first dorsal fin ray weakly serrated, more distinct near tip of ray; pelvic fin rays 7-10, usually 8-9; gill rakers first arch (outer/inner) 8-12/14-18; large barbel, its length 20-30% HL; short snout length 16-26% HL; very narrow suborbital 4-8% HL; upper jaw length 43-52% HL; a row of enlarged melanophores along lateral mid-line of the tail; cylindrical body .: elongated; Cross section: circular.
🌀 Behaviour
Behavioural data for Slender membranehead is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; bathypelagic; depth range 300 - 618 m . Deep-water North Atlantic Ocean (both sides, including the Mediterranean Sea), the Pacific Ocean (off Japan, Philippines, the Sala-y-Gomez Ridge) and the Indian Ocean (east and west coasts of Australia and east coast of Africa).
🌿 Ecology
planktonic crustaceans (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Delicate Whiptail · Graceful Grenadier |
| 🌍CES | hlavoun štíhlý |
| 🇯🇵Japanese | Onisujidara · オニスジダラ |
| 🇷🇺Russian | Грациозный хименоцефалюс |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Hymenocephalus gracilis | Gilbert & Hubbs | 1920 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .
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